Scandium, atomic number 21.

What can scandium be used for?

Scandium is used in aluminum-scandium alloys for aerospace industry components and for sports equipment such as bicycle frames, fishing rods, golf iron shafts and baseball bats. Scandium iodide is used in mercury vapor lamps, which are used to replicate sunlight in studios for the film and television industry.

What is indium used for?

A soft, silvery metal that is stable in air and water. Most indium is used to make indium tin oxide (ITO), which is an important part of touch screens, flatscreen TVs and solar panels. This is because it conducts electricity, bonds strongly to glass and is transparent.

What are the first 21 elements?

Terms in this set (21)
Hydrogen. Symbol: H. Atomic Number: 1. Helium. Symbol: He. Atomic Number: 2. Lithium. Symbol: Li. Atomic Number: 3. Beryllium. Symbol: Be. Atomic Number: 4. Boron. Symbol: B. Atomic Number: 5. Carbon. Symbol: C. Atomic Number: 6. Nitrogen. Symbol: N. Atomic Number: 7. Oxygen. Symbol: O. Atomic Number: 8.

What is zirconium used for?

Zirconium(IV) oxide is used in ultra-strong ceramics. It is used to make crucibles that will withstand heat-shock, furnace linings, foundry bricks, abrasives and by the glass and ceramics industries.

What is the rarest element?

A team of researchers using the ISOLDE nuclear-physics facility at CERN has measured for the first time the so-called electron affinity of the chemical element astatine, the rarest naturally occurring element on Earth.

What is GA in periodic table?

gallium (Ga), chemical element, metal of main Group 13 (IIIa, or boron group) of the periodic table. It liquefies just above room temperature.

Where is indium found on Earth?

Indium is rarely found uncombined in nature and is typically found in zinc, iron, lead and copper ores. It is the 61st most common element in the Earth’s crust and around three times more abundant than silver or mercury, according to the U.S. Geological Survey (USGS).

How do you learn the first 20 elements?

Happy Henry Lives Beside Boron Cottage, Near Our Friend Nelly Nancy MgAllen. Silly Patrick Stays Close. Arthur Kisses Carrie.

hydrogen H.helium He.lithium Li.beryllium Be.boron B.carbon C.nitrogen N.oxygen O.

What are the twenty element and their symbols?

In order of increasing atomic number, the first 20 elements and their symbols are:
Hydrogen (H)Helium (He)Lithium (Li)Beryllium (Be)Boron (B)Carbon (C)Nitrogen (N)Oxygen (O)

What are the first 20 elements in order?

These are the first 20 elements, listed in order:
H – Hydrogen.He – Helium.Li – Lithium.Be – Beryllium.B – Boron.C – Carbon.N – Nitrogen.O – Oxygen.

What are elements 21 through 30 known as?

All these elements are called transition metals.

What element has the atomic number 103?

Element 103 in the periodic table is called lawrencium.

What is 33 on the periodic table?

Arsenic, atomic number 33 lies in between phosphorus and antimony in group 15, the so called Nitrogen group of the periodic table.

What is number 23 on the periodic table?

Vanadium – Element information, properties and uses | Periodic Table.